HK1011783A1 - Driving ic for driving a light source and laser printer using such driving ic - Google Patents

Driving ic for driving a light source and laser printer using such driving ic

Info

Publication number
HK1011783A1
HK1011783A1 HK98112758A HK98112758A HK1011783A1 HK 1011783 A1 HK1011783 A1 HK 1011783A1 HK 98112758 A HK98112758 A HK 98112758A HK 98112758 A HK98112758 A HK 98112758A HK 1011783 A1 HK1011783 A1 HK 1011783A1
Authority
HK
Hong Kong
Prior art keywords
driving
light source
laser printer
printer
laser
Prior art date
Application number
HK98112758A
Other languages
English (en)
Inventor
Yoji Serizawa
Akio Noguchi
Yukihide Ushio
Shimpei Matsuo
Seiji Uchiyama
Makoto Takeuchi
Kazuro Yamada
Hiroyuki Nakamura
Original Assignee
Canon Kk
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2176244A external-priority patent/JPH0468759A/ja
Priority claimed from JP17624590A external-priority patent/JPH0468752A/ja
Priority claimed from JP3140682A external-priority patent/JP3001167B2/ja
Application filed by Canon Kk filed Critical Canon Kk
Publication of HK1011783A1 publication Critical patent/HK1011783A1/xx

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K15/00—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers
    • G06K15/02—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers
    • G06K15/12—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by photographic printing, e.g. by laser printers
    • G06K15/1204—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by photographic printing, e.g. by laser printers involving the fast moving of an optical beam in the main scanning direction
    • G06K15/1209—Intensity control of the optical beam
    • G06K15/1214—Intensity control of the optical beam by feedback
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/04—Processes or apparatus for excitation, e.g. pumping, e.g. by electron beams
    • H01S5/042—Electrical excitation ; Circuits therefor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H01S5/062—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes
    • H01S5/06209—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes in single-section lasers
    • H01S5/06213—Amplitude modulation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/04—Processes or apparatus for excitation, e.g. pumping, e.g. by electron beams
    • H01S5/042—Electrical excitation ; Circuits therefor
    • H01S5/0427—Electrical excitation ; Circuits therefor for applying modulation to the laser

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Electromagnetism (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Semiconductor Lasers (AREA)
HK98112758A 1990-07-05 1998-12-03 Driving ic for driving a light source and laser printer using such driving ic HK1011783A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2176244A JPH0468759A (ja) 1990-07-05 1990-07-05 画像形成装置
JP17624590A JPH0468752A (ja) 1990-07-05 1990-07-05 レーザ制御装置
JP3140682A JP3001167B2 (ja) 1991-05-17 1991-05-17 定電流回路スイッチング装置

Publications (1)

Publication Number Publication Date
HK1011783A1 true HK1011783A1 (en) 1999-07-16

Family

ID=27318104

Family Applications (2)

Application Number Title Priority Date Filing Date
HK98112627A HK1011775A1 (en) 1990-07-05 1998-12-01 Image forming apparatus and constant current circuit switching device for use therewith
HK98112758A HK1011783A1 (en) 1990-07-05 1998-12-03 Driving ic for driving a light source and laser printer using such driving ic

Family Applications Before (1)

Application Number Title Priority Date Filing Date
HK98112627A HK1011775A1 (en) 1990-07-05 1998-12-01 Image forming apparatus and constant current circuit switching device for use therewith

Country Status (4)

Country Link
US (1) US5373518A (xx)
EP (2) EP0464813B1 (xx)
DE (2) DE69132464T2 (xx)
HK (2) HK1011775A1 (xx)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06171144A (ja) * 1992-09-24 1994-06-21 Canon Inc レーザビームプリンタ
US5566199A (en) * 1993-12-29 1996-10-15 Kepros; John G. Holographic technique for extreme microcircuitry size reduction
US5822343A (en) * 1994-08-26 1998-10-13 Psc Inc. Operating and control system for lasers useful in bar code scanners
US5612529A (en) * 1994-10-31 1997-03-18 Psc Inc. System for bar code reading and scanning with automatic gain control
JPH08160828A (ja) * 1994-12-07 1996-06-21 Canon Inc 電子写真プリンタ
US5539352A (en) * 1994-12-28 1996-07-23 General Electric Company Low power voltage input circuit with high noise immunity and fast operating time
US6064419A (en) * 1994-12-28 2000-05-16 Canon Kabushiki Kaisha Timings of rotational speed in a laser beam printer
US5834750A (en) * 1995-02-28 1998-11-10 Psc, Inc. Bar code scanning system for automatically maintaining constant the amplitude of light reflected from a bar code
JP3423115B2 (ja) * 1995-07-18 2003-07-07 富士通株式会社 光信号送信装置
US5933441A (en) * 1997-11-06 1999-08-03 Chen; Hung-Ping Circuit for protecting a laser indicator
JPH11208017A (ja) * 1998-01-30 1999-08-03 Canon Inc 発光素子駆動装置
JPH11348343A (ja) 1998-06-03 1999-12-21 Canon Inc 画像形成方法および装置
JP2000218865A (ja) * 1998-11-25 2000-08-08 Canon Inc レ―ザ駆動装置とその駆動方法及びそれを用いた画像形成装置
DE10065838C2 (de) * 2000-12-29 2003-06-26 Infineon Technologies Ag Elektronische Treiberschaltung für einen direkt modulierten Halbleiterlaser
JP4605692B2 (ja) * 2004-03-19 2011-01-05 株式会社リコー 半導体レーザ変調駆動装置及び画像形成装置
US7746590B2 (en) 2004-10-06 2010-06-29 Agere Systems Inc. Current mirrors having fast turn-on time
JP2006110801A (ja) * 2004-10-13 2006-04-27 Canon Inc レーザ駆動装置
JP5441309B2 (ja) * 2006-02-13 2014-03-12 キヤノン株式会社 揺動体装置、及び光偏向装置
JP5361344B2 (ja) * 2008-11-20 2013-12-04 キヤノン株式会社 画像形成装置
JP5424995B2 (ja) 2010-06-24 2014-02-26 キヤノン株式会社 光走査装置及び画像形成装置
JP6587430B2 (ja) * 2015-06-23 2019-10-09 キヤノン株式会社 画像生成装置及び画像生成方法
JP6886235B2 (ja) 2015-09-24 2021-06-16 キヤノン株式会社 記録装置および発光素子駆動用基板

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59146069A (ja) * 1983-02-08 1984-08-21 Canon Inc 光源安定化装置
US4819242A (en) * 1985-11-20 1989-04-04 Hitachi, Ltd. Semiconductor laser driver circuit
DE3728234A1 (de) * 1986-08-26 1988-04-28 Sharp Kk Steuervorrichtung fuer eine laserdiode
NL8701986A (nl) * 1987-08-25 1989-03-16 Oce Nederland Bv Besturingsschakeling voor een laserprinter.
US4899344A (en) * 1987-12-07 1990-02-06 Ricoh Co., Ltd. Semiconductor laser control apparatus
DE68929443T2 (de) * 1988-09-06 2003-04-24 Canon Kk Belichtungsstärkesteuergerät

Also Published As

Publication number Publication date
EP0775969B1 (en) 2000-11-02
EP0775969A3 (en) 1997-09-03
US5373518A (en) 1994-12-13
HK1011775A1 (en) 1999-07-16
EP0464813A2 (en) 1992-01-08
DE69132464D1 (de) 2000-12-07
DE69130308T2 (de) 1999-05-06
EP0464813A3 (en) 1993-03-31
EP0464813B1 (en) 1998-10-07
EP0775969A2 (en) 1997-05-28
DE69130308D1 (de) 1998-11-12
DE69132464T2 (de) 2001-05-10

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Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20070704